feat(smartproxy): Migrate internal module paths and update HTTP/ACME components for SmartProxy

ts/http/port80/index.ts

@@ -1,3 +1,13 @@
 /**
  * Port 80 handling
  */
+
+// Export the main components
+export { Port80Handler } from './port80-handler.js';
+export { ChallengeResponder } from './challenge-responder.js';
+
+// Export backward compatibility interfaces and types
+export {
+  HttpError as Port80HandlerError,
+  CertificateError as CertError
+} from '../models/http-types.js';